Stimulants - Amphetamines (Dexedrine, Ritalin, Preludin, Ionamin, Cylert)

General: Amphetamines are a class of synthetic drugs that are strong stimulants of the central nervous system, increasing the heart rate and raising blood pressure. Administered in capsule or tablet form, they increase alertness and reduce hunger. Street names for amphetamines include crank, ice, uppers, bennies, rockets, speed, and black beauties.

capsules, tablets.

agitation, excessive activity, euphoria, insomnia

cardiac irregularities, headache, coma, death

excessive hunger, muscle aches, tremors

Heroin

General: Heroin is derived from the seed of the opium poppy plant and is highly addictive. Heroin, as well as morphine and other opium derivatives, is a powerful analgesic drug. It is known as a narcotic analgesic because it can induce sleep (or, in excessive amounts, coma). Heroin also induces a sense of euphoria through interaction with the brain's opiate receptors. A number of slang names for heroin include chiva, smack, horse, junk, tar, and black tar.

white to dark brown powder, or black tar-like substance that resembles dark caramel.

euphoria, lethargy, constricted pupils, drowsiness

shallow breathing, vomiting, convulsions, coma, death

diarrhea, tremors, chills, shakes, sweating, runny nose and eyes

Ethyl Alcohol - Beer, Wine, Vodka, Whiskey, Bourbon, Rum

General: Ethyl alcohol, also known as ethanol and grain alcohol, is a colorless, flammable liquid. Drinkers may become addicted to any of the above beverages. Additionally, the combination of alcohol and drugs, such as commonly used sleeping pills, tranquilizers, antibiotics, and aspirin, can be fatal, even when both are taken in non lethal doses.

Bottles or cans.

relaxation, loss of inhibitions, lack of concentration

nausea, vomiting, rapid pulse, coma, death

agitation, anxiety, hallucinations, shakes

Cocaine

General: Cocaine is an alkaloid drug found in the leaves of the coca plant. Street names include coke, snow, blow, nose candy, rock, crack, and base. Cocaine can be injected, inhaled or smoked. Cocaine’s fine white powder is often sniffed. Crack is highly concentrated chemically reconstituted cocaine, in pebblelike shape, that users smoke.

cocaine - white crystalline powder; 

crack - white to tan pellets or rocks.

euphoria, excitability, talkativeness, dilated pupils, paranoia

hallucinations, convulsions, coma, cardiac arrest, death

apathy, irritability, social withdrawal, fatigue

Inhalants - Volatile Hydrocarbons, Amyl/Butyl Nitrite, Nitrous Oxide, Halothane

General: Some of the street names of inhalants are rush, huff, airplane glue, laughing gas, and spray paint.

aerosol cans, clear or yellowish liquid in ampules, metal cylinder sold with a balloon.

similar to alcohol, slurred speech, lack of inhibitions, nausea

liver, brain, and nerve damage; heart failure, coma, death

anxiety, agitation, anti-social behavior

Marijuana
General: Marijuana (also spelled marihuana) is the common name given to any drug preparation from the hemp plant, Cannabis sativa. Cannabis preparations have acquired a variety of slang names, including grass, pot, hashish, ganga, tea, reefer, weed, and Mary Jane. Cannabis is smoked, eaten in cakes, and/or drunk in beverages. Marijuana is prepared most often as a tobacco-like mixture that is smoked in a pipe or rolled into a cigarette.

similar to dried parsley.

relaxation, talkativeness, lowered inhibitions, euphoria

fatigue, paranoia, delusions, hallucinations

loss of appetite, restlessness, irritability, insomnia

Depressants - Seconal, Nembutal, Valium, Noctec, Equanil

General: Drugs that retard, slow down, or depress signals passing through the central nervous system and produce relaxation, a lowering of anxiety, and, at higher doses, drowsiness and sleep, are called depressants. They include sedatives, such as barbiturates, methaqualone, and tranquilizers, such as Valium. Street names include downers, goofballs, reds, yellow jackets, and mickey finns.

red, yellow, blue or red-and-blue capsules, tablets, powder, liquid

similar to alcohol, relaxation, slurred speech, sleep

shallow respiration, dilated pupils, coma, death

anxiety, sweating, fever, agitation, shakes

Hallucinogens - LSD, PCP, MDMA, STP, DMT, Mescaline, Psilocybin

General: Hallucinogens are a group of plant-derived or synthetic chemical substances, some of which human beings have used, throughout history, to modify their state of consciousness for medicinal, religious, or recreational purposes. The most potent hallucinogen is LSD (lysergic acid diethylamide), often simply called "acid." Other street names for hallucinogens are angel dust, ecstasy, serenity, peace, peyote, and 'shrooms.

tablets, white or off-white crystalline powder, capsules, hard brown disks, fresh or dried mushrooms.

hallucinations, confusion, euphoria, anxiety, panic

hallucinations, agitation, violence, convulsions, death

possible flashbacks